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[PWGHF] Add input features for Xic0 KF online ML inference #18497

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Merged
zhangbiao-phy merged 1 commit into from
Oct 29, 2026
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[PWGHF] Add input features for Xic0 KF online ML inference #18497

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40 changes: 15 additions & 25 deletions PWGHF/Core/HfMlResponseXic0ToXiPiKf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -24,13 +24,7 @@
#include <cstdint>
#include <vector>

// Fill the map of available input features
// the key is the feature's name (std::string)
// the value is the corresponding value in EnumInputFeatures
#define FILL_MAP_XIC0TOXIPIKF(FEATURE) \
{ \
#FEATURE, static_cast<uint8_t>(InputFeaturesXic0ToXiPiKf::FEATURE)}

// Feature names are registered explicitly with the training-tree branch names.
// Check if the index of mCachedIndices (index associated to a FEATURE)
// matches the entry in EnumInputFeatures associated to this FEATURE
// if so, the inputFeatures vector is filled with the FEATURE's value
Expand Down Expand Up @@ -61,7 +55,7 @@ namespace o2::analysis
{

enum class InputFeaturesXic0ToXiPiKf : uint8_t {
// Existing feature keys retained for backwards compatibility.
// Internal feature identifiers; configuration names are registered below.
tpcNSigmaPiFromLambda,
tpcNSigmaPiFromCasc,
tpcNSigmaPiFromCharmBaryon,
Expand Down Expand Up @@ -92,7 +86,10 @@ enum class InputFeaturesXic0ToXiPiKf : uint8_t {
dcaV0Dau,
dcaXYToPvV0Dau0,
dcaXYToPvV0Dau1,
tpcNSigmaPrFromLambda
tpcNSigmaPrFromLambda,
chi2GeoXic,
cTauXic,
chi2GeoCasc
};

template <typename TypeOutputScore = float>
Expand Down Expand Up @@ -121,13 +118,16 @@ class HfMlResponseXic0ToXiPiKf : public HfMlResponse<TypeOutputScore>
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(xicChi2OverNdf);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(chi2TopoXicToPv);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(dcaCharmBaryonDau);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(chi2GeoXic);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(cTauXic);
// Bachelor pion from Xic.
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(kfDcaXYPiFromXic);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(chi2TopoPiFromXicToPv);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF_VALUE(kfptPiFromXic, RecoDecay::sqrtSumOfSquares(candidate.pxBachFromCharmBaryon(), candidate.pyBachFromCharmBaryon()));
// Cascade.
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(decayLenXYCasc);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(cascChi2OverNdf);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(chi2GeoCasc);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(chi2TopoCascToPv);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(chi2TopoCascToXic);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF_FULL(candidate, cosPaCascToPv, cosPACasc);
Expand All @@ -149,7 +149,7 @@ class HfMlResponseXic0ToXiPiKf : public HfMlResponse<TypeOutputScore>
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(dcaXYToPvV0Dau1);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF_FULL(lamProngPr, tpcNSigmaPrFromLambda, tpcNSigmaPr);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF_FULL(lamProngPi, tpcNSigmaPiFromLambda, tpcNSigmaPi);
// Legacy features that are not part of the local 28-feature model.
// Additional supported features.
CHECK_AND_FILL_VEC_XIC0TOXIPIKF_FULL(charmBaryonProngPi, tpcNSigmaPiFromCharmBaryon, tpcNSigmaPi);
CHECK_AND_FILL_VEC_XIC0TOXIPIKF(cascldl);
}
Expand All @@ -164,31 +164,23 @@ class HfMlResponseXic0ToXiPiKf : public HfMlResponse<TypeOutputScore>
{
MlResponse<TypeOutputScore>::mAvailableInputFeatures = {
FILL_MAP_XIC0TOXIPIKF_AS("fDecayLenXYXic", decayLenXYXic),
FILL_MAP_XIC0TOXIPIKF(xicChi2OverNdf),
FILL_MAP_XIC0TOXIPIKF_AS("fXicChi2OverNdf", xicChi2OverNdf),
FILL_MAP_XIC0TOXIPIKF_AS("fChi2TopoXicToPv", chi2TopoXicToPv),
FILL_MAP_XIC0TOXIPIKF(dcaCharmBaryonDau),
FILL_MAP_XIC0TOXIPIKF_AS("fDcaCharmBaryonDau", dcaCharmBaryonDau),
FILL_MAP_XIC0TOXIPIKF(kfDcaXYPiFromXic),
FILL_MAP_XIC0TOXIPIKF_AS("fChi2GeoXic", chi2GeoXic),
FILL_MAP_XIC0TOXIPIKF_AS("fCtXic", cTauXic),
FILL_MAP_XIC0TOXIPIKF_AS("fKfDcaXYPiFromXic", kfDcaXYPiFromXic),
FILL_MAP_XIC0TOXIPIKF_AS("fChi2TopoPiFromXicToPv", chi2TopoPiFromXicToPv),
FILL_MAP_XIC0TOXIPIKF_AS("fKfptPiFromXic", kfptPiFromXic),
FILL_MAP_XIC0TOXIPIKF(decayLenXYCasc),
FILL_MAP_XIC0TOXIPIKF_AS("fDecayLenXYCasc", decayLenXYCasc),
FILL_MAP_XIC0TOXIPIKF(cascChi2OverNdf),
FILL_MAP_XIC0TOXIPIKF_AS("fCascChi2OverNdf", cascChi2OverNdf),
FILL_MAP_XIC0TOXIPIKF(chi2TopoCascToPv),
FILL_MAP_XIC0TOXIPIKF_AS("fChi2GeoCasc", chi2GeoCasc),
FILL_MAP_XIC0TOXIPIKF_AS("fChi2TopoCascToPv", chi2TopoCascToPv),
FILL_MAP_XIC0TOXIPIKF(chi2TopoCascToXic),
FILL_MAP_XIC0TOXIPIKF_AS("fChi2TopoCascToXic", chi2TopoCascToXic),
FILL_MAP_XIC0TOXIPIKF_AS("fCosPaCascToPv", cosPaCascToPv),
FILL_MAP_XIC0TOXIPIKF(cosPaCascToXic),
FILL_MAP_XIC0TOXIPIKF_AS("fCosPaCascToXic", cosPaCascToXic),
FILL_MAP_XIC0TOXIPIKF(dcaCascDau),
FILL_MAP_XIC0TOXIPIKF_AS("fDcaCascDau", dcaCascDau),
FILL_MAP_XIC0TOXIPIKF(kfDcaXYCascToPv),
FILL_MAP_XIC0TOXIPIKF_AS("fKfDcaXYCascToPv", kfDcaXYCascToPv),
FILL_MAP_XIC0TOXIPIKF(tpcNSigmaPiFromCasc),
FILL_MAP_XIC0TOXIPIKF_AS("fTpcNSigmaPiFromCasc", tpcNSigmaPiFromCasc),
FILL_MAP_XIC0TOXIPIKF_AS("fDcaXYToPvCascDau", dcaXYToPvCascDau),
FILL_MAP_XIC0TOXIPIKF_AS("fDecayLenXYLambda", decayLenXYLambda),
Expand All @@ -201,17 +193,15 @@ class HfMlResponseXic0ToXiPiKf : public HfMlResponse<TypeOutputScore>
FILL_MAP_XIC0TOXIPIKF_AS("fDcaXYToPvV0Dau0", dcaXYToPvV0Dau0),
FILL_MAP_XIC0TOXIPIKF_AS("fDcaXYToPvV0Dau1", dcaXYToPvV0Dau1),
FILL_MAP_XIC0TOXIPIKF_AS("fTpcNSigmaPrFromLambda", tpcNSigmaPrFromLambda),
FILL_MAP_XIC0TOXIPIKF(tpcNSigmaPiFromLambda),
FILL_MAP_XIC0TOXIPIKF_AS("fTpcNSigmaPiFromLambda", tpcNSigmaPiFromLambda),
FILL_MAP_XIC0TOXIPIKF(tpcNSigmaPiFromCharmBaryon),
FILL_MAP_XIC0TOXIPIKF(cascldl),
FILL_MAP_XIC0TOXIPIKF_AS("fTpcNSigmaPiFromCharmBaryon", tpcNSigmaPiFromCharmBaryon),
FILL_MAP_XIC0TOXIPIKF_AS("fCascldl", cascldl),
};
}
};

} // namespace o2::analysis

#undef FILL_MAP_XIC0TOXIPIKF
#undef FILL_MAP_XIC0TOXIPIKF_AS
#undef CHECK_AND_FILL_VEC_XIC0TOXIPIKF_FULL
#undef CHECK_AND_FILL_VEC_XIC0TOXIPIKF
Expand Down
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